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What modification is required to fit with billet uppers? What exactly do you have to modify? Website link? Description? — 1 Answer

by Jacob Isebrands, from CO, United States Asked on April 15, 2022

Name STNGR HWK AR15/M4 M-Lok Free Float Handguard (5)
As Low As $149.99 Save Up to 33%
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Answered by Hunter, Gear Expert, from OH, United States, on April 26, 2022

This is what STNGR says in regards to what modifications are needed for billet upper receivers. "Our rails are designed to work with standard mil-spec uppers. Typically the tabs need to be removed with billet uppers (or non-mil spec uppers) because they are too wide for the handguard (this is the modification we mention in the product page)."

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